GB9520445D0 - Convolutional codes - Google Patents

Convolutional codes

Info

Publication number
GB9520445D0
GB9520445D0 GBGB9520445.9A GB9520445A GB9520445D0 GB 9520445 D0 GB9520445 D0 GB 9520445D0 GB 9520445 A GB9520445 A GB 9520445A GB 9520445 D0 GB9520445 D0 GB 9520445D0
Authority
GB
United Kingdom
Prior art keywords
convolutional codes
convolutional
codes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GBGB9520445.9A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GBGB9520445.9A priority Critical patent/GB9520445D0/en
Publication of GB9520445D0 publication Critical patent/GB9520445D0/en
Priority to KR1019980702599A priority patent/KR19990064118A/ko
Priority to EP04078040A priority patent/EP1508990A1/en
Priority to EP96932709A priority patent/EP0853848B1/en
Priority to AU71389/96A priority patent/AU728399B2/en
Priority to CA002233980A priority patent/CA2233980C/en
Priority to CNB961974508A priority patent/CN1140084C/zh
Priority to NZ319215A priority patent/NZ319215A/en
Priority to DE69634155T priority patent/DE69634155T2/de
Priority to PCT/GB1996/002423 priority patent/WO1997014235A1/en
Priority to JP51480297A priority patent/JP3681759B2/ja
Priority to SG9902136A priority patent/SG92637A1/en
Priority to US09/043,164 priority patent/US5983174A/en
Priority to NO981525A priority patent/NO981525L/no
Priority to US09/293,065 priority patent/US6081778A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
    • H03M13/275—Interleaver wherein the permutation pattern is obtained using a congruential operation of the type y=ax+b modulo c
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3723—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using means or methods for the initialisation of the decoder
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3738—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with judging correct decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H04L1/0069—Puncturing patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GBGB9520445.9A 1995-10-06 1995-10-06 Convolutional codes Pending GB9520445D0 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GBGB9520445.9A GB9520445D0 (en) 1995-10-06 1995-10-06 Convolutional codes
US09/043,164 US5983174A (en) 1995-10-06 1996-10-03 Confidence and frame signal quality determination in a soft decision convolutional decoder
CNB961974508A CN1140084C (zh) 1995-10-06 1996-10-03 卷积码
DE69634155T DE69634155T2 (de) 1995-10-06 1996-10-03 Erfassung einer Konfidenz und eines Rahmen-Qualitäts-Signals in einem "soft decision"-Faltungs-Dekoder
EP96932709A EP0853848B1 (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder
AU71389/96A AU728399B2 (en) 1995-10-06 1996-10-03 Convolutional codes
CA002233980A CA2233980C (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder
KR1019980702599A KR19990064118A (ko) 1995-10-06 1996-10-03 소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치
NZ319215A NZ319215A (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder
EP04078040A EP1508990A1 (en) 1995-10-06 1996-10-03 Convolutional codes
PCT/GB1996/002423 WO1997014235A1 (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder
JP51480297A JP3681759B2 (ja) 1995-10-06 1996-10-03 ソフト判断コンボリューションデコーダにおける信頼及びフレーム信号品質の検出
SG9902136A SG92637A1 (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder
NO981525A NO981525L (no) 1995-10-06 1998-04-03 Deteksjon av konfidens og ramme-signalkvalitet i en foldingsdekoder med myk avgj÷relse
US09/293,065 US6081778A (en) 1995-10-06 1999-04-16 Confidence and frame signal quality detection in a soft decision convolutional decoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9520445.9A GB9520445D0 (en) 1995-10-06 1995-10-06 Convolutional codes

Publications (1)

Publication Number Publication Date
GB9520445D0 true GB9520445D0 (en) 1995-12-06

Family

ID=10781891

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9520445.9A Pending GB9520445D0 (en) 1995-10-06 1995-10-06 Convolutional codes

Country Status (13)

Country Link
US (2) US5983174A (ja)
EP (2) EP0853848B1 (ja)
JP (1) JP3681759B2 (ja)
KR (1) KR19990064118A (ja)
CN (1) CN1140084C (ja)
AU (1) AU728399B2 (ja)
CA (1) CA2233980C (ja)
DE (1) DE69634155T2 (ja)
GB (1) GB9520445D0 (ja)
NO (1) NO981525L (ja)
NZ (1) NZ319215A (ja)
SG (1) SG92637A1 (ja)
WO (1) WO1997014235A1 (ja)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320663B (en) * 1996-12-20 2001-09-12 Motorola Ltd Signal processing in digital radio receivers
FI112894B (fi) * 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
JPH1117555A (ja) * 1997-06-26 1999-01-22 Mitsubishi Electric Corp データ伝送システム、受信装置および記録媒体
US6590942B1 (en) 1997-11-03 2003-07-08 Harris Corporation Least squares phase fit as frequency estimate
JP3249457B2 (ja) * 1997-11-28 2002-01-21 沖電気工業株式会社 ディジタル通信用音声送受信装置
KR100535783B1 (ko) 1998-01-07 2005-12-12 지멘스 악티엔게젤샤프트 정보를 코딩, 디코딩 및 전송하는 방법, 신호 처리기 및 무선 장치
US6192500B1 (en) * 1998-02-11 2001-02-20 Conexant Systems, Inc. Method and apparatus for enhanced performance in a system employing convolutional decoding
EP1062758A1 (en) 1998-03-12 2000-12-27 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for signal degradation measurement
DE19845888A1 (de) * 1998-10-06 2000-05-11 Bosch Gmbh Robert Verfahren zur Codierung oder Decodierung von Sprachsignalabtastwerten sowie Coder bzw. Decoder
GB2348087B (en) * 1999-03-13 2003-08-13 Nec Technologies Detection of unreliable frames in digital data transmission systems
KR100457895B1 (ko) 1999-05-10 2004-11-18 가부시키가이샤 엔.티.티.도코모 다중화 방법과 다중화 장치 및 데이터 신호 송신 방법과데이터 신호 송신 장치
JP4449108B2 (ja) * 1999-08-05 2010-04-14 パナソニック株式会社 音声復号装置
US6915263B1 (en) * 1999-10-20 2005-07-05 Sony Corporation Digital audio decoder having error concealment using a dynamic recovery delay and frame repeating and also having fast audio muting capabilities
US6799294B1 (en) * 2000-04-06 2004-09-28 Lucent Technologies Inc. Method and apparatus for generating channel error flags for error mitigation and/or concealment in source decoders
US6760699B1 (en) * 2000-04-24 2004-07-06 Lucent Technologies Inc. Soft feature decoding in a distributed automatic speech recognition system for use over wireless channels
KR100403738B1 (ko) * 2000-05-24 2003-10-30 삼성전자주식회사 복합 재전송형식을 사용하는 데이터 통신시스템의 데이터송수신장치 및 방법
US7109970B1 (en) * 2000-07-01 2006-09-19 Miller Stephen S Apparatus for remotely controlling computers and other electronic appliances/devices using a combination of voice commands and finger movements
US7051268B1 (en) * 2000-09-29 2006-05-23 Qualcomm Incorporated Method and apparatus for reducing power consumption of a decoder in a communication system
FI115178B (fi) 2000-10-31 2005-03-15 Nokia Corp Menetelmä ja järjestely bittien suojaamiseksi parhaalla mahdollisella tavalla tiedonsiirtovirheitä vastaan
US6583735B2 (en) * 2001-02-01 2003-06-24 Nec Corporation Method and apparatus for adaptive bus coding for low power deep sub-micron designs
FR2821096A1 (fr) 2001-02-20 2002-08-23 Clotilde Martine Griguer Systeme de revetement permettant de former des pistes de circulation temporaire
GB2386808B (en) * 2001-06-28 2004-07-07 Samsung Electronics Co Ltd Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communication system
US6901550B2 (en) * 2001-10-17 2005-05-31 Actelis Networks Inc. Two-dimensional interleaving in a modem pool environment
JP4603536B2 (ja) * 2003-05-05 2010-12-22 トムソン ライセンシング 階層変調システムにおける復調のための装置および方法
CN1788479A (zh) * 2003-05-12 2006-06-14 西门子公司 用于在无线lan中分配比特的信令
JP4417733B2 (ja) * 2004-01-15 2010-02-17 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 伝送方法及び装置
WO2005086138A1 (ja) * 2004-03-05 2005-09-15 Matsushita Electric Industrial Co., Ltd. エラー隠蔽装置およびエラー隠蔽方法
US7949074B2 (en) * 2004-04-24 2011-05-24 Thomson Licensing Apparatus and method for decoding in a hierarchical, modulation system
US7327714B2 (en) * 2004-06-02 2008-02-05 Samsung Electronics Co., Ltd. Apparatus and method for detecting a time division multiplexing frame in a mobile communication system
US8166354B2 (en) * 2006-11-30 2012-04-24 Research In Motion Limited Apparatus, and associated method, for estimating a bit error rate of data communicated in a communication system
JP5385513B2 (ja) * 2007-06-18 2014-01-08 富士通モバイルコミュニケーションズ株式会社 ディジタル通信システム、ディジタル無線送信装置、ディジタル無線受信装置
US8135015B2 (en) * 2009-03-27 2012-03-13 Qualcomm Incorporated System and method of transmitting and receiving data frames
US9489950B2 (en) * 2012-05-31 2016-11-08 Agency For Science, Technology And Research Method and system for dual scoring for text-dependent speaker verification

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805169A1 (de) * 1988-02-19 1989-08-31 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen eines digital-codierten tonsignals
US5144644A (en) * 1989-10-13 1992-09-01 Motorola, Inc. Soft trellis decoding
US5214656A (en) * 1990-12-13 1993-05-25 At&T Bell Laboratories Multiplexed coded modulation with unequal error protection
US5265649A (en) * 1991-07-10 1993-11-30 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Cloth roll exchange apparatus for a loom
WO1993005502A1 (en) * 1991-09-05 1993-03-18 Motorola, Inc. Error protection for multimode speech coders
DE4229654A1 (de) * 1991-09-25 1993-04-22 Thomson Brandt Gmbh Verfahren zur uebertragung eines audio- und/oder videosignals
JPH05336080A (ja) * 1992-06-03 1993-12-17 Matsushita Electric Ind Co Ltd 誤り制御システム
SE470372B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Metod jämte anordning att uppskatta kvaliten vid ramfelsdetektering i mottagaren hos ett radiokommunikationssystem
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
JP3233472B2 (ja) * 1993-01-07 2001-11-26 株式会社東芝 データ通信装置
US5363413A (en) * 1993-05-20 1994-11-08 Motorola, Inc. Data decoder and method for use therein using a dynamically indexed channel state metric
JPH0964849A (ja) * 1995-08-18 1997-03-07 Nippon Telegr & Teleph Corp <Ntt> 誤り訂正装置

Also Published As

Publication number Publication date
CN1198861A (zh) 1998-11-11
JP3681759B2 (ja) 2005-08-10
AU728399B2 (en) 2001-01-11
NZ319215A (en) 2000-02-28
AU7138996A (en) 1997-04-30
NO981525L (no) 1998-06-03
JPH11513551A (ja) 1999-11-16
EP0853848B1 (en) 2005-01-05
DE69634155D1 (de) 2005-02-10
EP0853848A1 (en) 1998-07-22
CA2233980C (en) 2002-12-17
US6081778A (en) 2000-06-27
EP1508990A1 (en) 2005-02-23
DE69634155T2 (de) 2006-01-05
US5983174A (en) 1999-11-09
CN1140084C (zh) 2004-02-25
WO1997014235A1 (en) 1997-04-17
CA2233980A1 (en) 1997-04-17
SG92637A1 (en) 2002-11-19
KR19990064118A (ko) 1999-07-26
NO981525D0 (no) 1998-04-03

Similar Documents

Publication Publication Date Title
GB9520445D0 (en) Convolutional codes
EP0589682A3 (en) Decoder for variable length codes.
HK1003696A1 (en) Convolutional decoder.
EP0664969A3 (de) Skischuh.
GB9524306D0 (en) Bar codes
GB9506470D0 (en) 5b4t coding scheme
GB2302060B (en) Jigsaw
EP0680172A3 (en) Code sequence generator.
GB9606748D0 (en) Short code subscription
ZA969625B (en) 25-Hydroxy-16-ene-26, 27-bishomo-cholecalciferols
GB9511865D0 (en) Circular saw
EP0684299A3 (de) Dihydrofarnesal.
GB9623184D0 (en) Special X
GB9511878D0 (en) Circular saw
DE69637797D1 (en) Ten)phenylazoresorcinolen
DE69503237D1 (en) Poly(imid-äther)
EP0672364A3 (de) Skischuh.
EP0680970A3 (en) Medrogestron.
GB2332834B (en) Convolution encoder
EP0671133A3 (de) Skischuh.
GB9625186D0 (en) Manufacture
GB9512394D0 (en) Nested trellis decoder for block codes
GB9723445D0 (en) Manufacture
ZA968953B (en) 24-homo-26,27-hexafluoro-cholecalciferols
GB9505791D0 (en) Ring codes